//
//  Buffer.swift
//  SCNRecorder
//
//  Created by Vladislav Grigoryev on 24.05.2020.
//  Copyright © 2020 GORA Studio. https://gora.studio
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.

import Foundation

final class Buffer {

  static func zeroed(size: Int, alignment: Int = 1) -> Buffer {
    let buffer = Buffer(size: size, alignment: alignment)
    buffer.ptr.initializeMemory(as: UInt8.self, repeating: 0, count: size)
    return buffer
  }

  let size: Int

  let alignment: Int

  let ptr: UnsafeMutableRawPointer

  init(size: Int, alignment: Int) {
    self.size = size
    self.alignment = alignment
    self.ptr = .allocate(byteCount: size, alignment: alignment)
  }

  deinit { ptr.deallocate() }
}
